WordReference Random House Unabridged Dictionary of American English © 2025
as•tro•graph
(as′trə graf′, -gräf′),USA pronunciation n.
as•tro•graph•ic
(as′trə graf′ik),USA pronunciation adj.
as•trog•ra•phy
(ə strog′rə fē),USA pronunciation n.
- Aerospacea navigational device for projecting altitude curves of the stars and planets onto charts or plotting sheets.
- astro- + -graph